Stereo viewer



FIG. 1 is a perspective view of a stereo viewer showing my new design in its operative position;

FIG. 2 is a front elevational view of the stereo viewer in its retracted position; and

FIG. 3 is a bottom plan view of the stereo viewer;

FIG. 4 is a side elevational view of the stereo viewer in its retracted position;

FIG. 5 is a rear elevational view of the stereo viewer; and

FIG. 6 is a bottom end view of the stereo viewer in its retracted position. 

The ornamental design for a stereo viewer, as shown and described. 